"eusieu" meaning in Picard

{
  "categories": [
    {
      "kind": "other",
      "name": "Noms communs en picard",
      "parents": [],
      "source": "w"
    },
    {
      "kind": "other",
      "name": "Picard",
      "orig": "picard",
      "parents": [],
      "source": "w"
    }
  ],
  "derived": [
    {
      "word": "demi-eusieu"
    }
  ],
  "lang": "Picard",
  "lang_code": "pcd",
  "pos": "noun",
  "pos_id": "pcd-nom-1",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "oisieu"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "Lexique en picard de la zoologie",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Oiseaux en picard",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "Variante de oisieu."
      ],
      "id": "fr-eusieu-pcd-noun-cYCix3~j",
      "tags": [
        "alt-of"
      ],
      "topics": [
        "ornithology",
        "zoology"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "eusieu"
}

{
  "categories": [
    "Noms communs en picard",
    "picard"
  ],
  "derived": [
    {
      "word": "demi-eusieu"
    }
  ],
  "lang": "Picard",
  "lang_code": "pcd",
  "pos": "noun",
  "pos_id": "pcd-nom-1",
  "pos_title": "Nom commun",
  "senses": [
    {
      "alt_of": [
        {
          "word": "oisieu"
        }
      ],
      "categories": [
        "Lexique en picard de la zoologie",
        "Oiseaux en picard"
      ],
      "glosses": [
        "Variante de oisieu."
      ],
      "tags": [
        "alt-of"
      ],
      "topics": [
        "ornithology",
        "zoology"
      ]
    }
  ],
  "tags": [
    "masculine"
  ],
  "word": "eusieu"
}